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Background: A review of validated methods for assessing female sexual dysfunction and a review
of male and female sexual dysfunction did not refer to any specific questionnaire for evaluating
sexuality during pregnancy. A study was performed at the Obstetrics and Gynecology Department
of Botucatu Medical School, São Paulo State University, Brazil to design and validate a pregnancy
sexuality questionnaire, the Pregnancy Sexual Response Inventory (PSRI).
Methods: Women with a singleton pregnancy between 10 and 35 weeks of gestation were
randomly recruited. There were five phases in the development of the PSRI: (1) item selection; (2)
item development; (3) determination of internal consistency, reliability and convergence; (4)
content validity; and (5) determination of inter-interviewer reliability. Internal consistency and
reliability were evaluated using Cronbach's alpha. Inter-interviewer reliability was assessed by
evaluating the responses of 18 academics at various institutions, using Kappa Index and Student t
test.
Results: Good internal consistency and reliability were obtained (Cronbach's alpha coefficient =
0.79). Among the 18 academics, 13 totally agreed (K = 1.0), three partially agreed (K = 0.67) and
two disagreed (K = 0.33) with the proposed questions. Comparisons of the mean PSRI domain
scores made between the primary investigators and the other interviewers showed no significant
differences in all domains (p > 0.05).
Conclusion: PSRI is a new validated instrument for evaluating sexuality and sexual activity and
related health concerns during pregnancy.